Warning: Do not enter any wrong unlock unlock codes on your Bosch 1866 mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable.
1 - Switch on your Bosch 1866 with a NOT ACCEPTED*
2 - When the message "Enter Network Key" appears, Enter the Unlock Code.
: We mean, to use a sim card from a network other than the network your Bosch 1866 is locked to.Each Bosch 1866 mobile phone has an unique unlock code. You can buy the unique unlock code for your Bosch 1866 mobile phone at www.mobileunlocksolutions.com.